il·​lu·​mi·​nance | \ i-ˈlü-mə-nən(t)s How to pronounce illuminance (audio) \

Definition of illuminance

Examples of illuminance in a Sentence

Recent Examples on the Web Samsung can use different combinations, by adding additional sensors such as an illuminance sensor and/or an iris sensor. Ewan Spence, Forbes, 18 June 2021 As the full rose moon began to crest over the tops of the townhomes, the blasts from the fireworks started as well, booming in the sky with the moon—illuminance from both God and man. Omar Tate, Bon Appétit, 3 Sep. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'illuminance.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of illuminance

circa 1938, in the meaning defined above

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Time Traveler for illuminance

Time Traveler

The first known use of illuminance was circa 1938

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Cite this Entry

“Illuminance.” Dictionary, Merriam-Webster, Accessed 18 Oct. 2021.

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More Definitions for illuminance


il·​lu·​mi·​nance | \ il-ˈü-mə-nən(t)s How to pronounce illuminance (audio) \

Medical Definition of illuminance


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